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Contract OI history

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Dec 18, 2026 EXPIRATION

UNM $87.50 Put

UNM261218P00087500

Latest saved OI197Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNM $87.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 197980 2026-10-02: 137 OI2026-10-05: 137 OI2026-10-06: 137 OI2026-10-07: 136 OI2026-10-08: 136 OI2026-10-09: 136 OI2026-10-14: 136 OI2026-10-15: 136 OI2026-10-16: 136 OI2026-10-21: 195 OI2026-10-23: 197 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

UNM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026197+2
Oct 21, 2026Viewing195+59
Oct 16, 20261360
Oct 15, 20261360
Oct 14, 20261360
Oct 09, 20261360
Oct 08, 20261360
Oct 07, 2026136-1
Oct 06, 20261370
Oct 05, 20261370
Oct 02, 2026137No prior observation